diff --git a/lib/obp60task/obp60task.cpp b/lib/obp60task/obp60task.cpp
index 7938589..8b5cca8 100644
--- a/lib/obp60task/obp60task.cpp
+++ b/lib/obp60task/obp60task.cpp
@@ -46,6 +46,13 @@ void OBP60Init(GwApi *api){
 
     // Init hardware
     hardwareInit();
+    // static const bool useFastFullUpdate = true; // For high speed full update e-paper
+    static const bool useFastFullUpdate = false; // For normal speed full update e-paper
+    /*
+    setCpuFrequencyMhz(80);
+    int freq = getCpuFrequencyMhz();
+    api->getLogger()->logDebug(GwLog::LOG,"CPU speed: %i", freq);
+    */
     
     // Settings for backlight
     String backlightMode = api->getConfig()->getConfigItem(api->getConfig()->backlight,true)->asString();
@@ -451,7 +458,7 @@ void OBP60Task(GwApi *api){
             if(String(gpsFix) == "GPS Fix Lost" && date->valid == true){
                 setFlashLED(false);
             }
-            // Ifmissing GPS fix then LED on
+            // If missing GPS fix then LED on
             if(String(gpsFix) == "GPS Fix Lost" && date->valid == false){
                 setFlashLED(true);
             }
@@ -528,6 +535,9 @@ void OBP60Task(GwApi *api){
             // Full display update afer a new selected page and 4s wait time
             if(millis() > starttime4 + 4000 && delayedDisplayUpdate == true){
                 getdisplay().setFullWindow();    // Set full update
+                getdisplay().fillScreen(pixelcolor);// Clear display
+                getdisplay().nextPage();         // Full update
+                getdisplay().fillScreen(bgcolor);// Clear display
                 getdisplay().nextPage();         // Full update
                 delayedDisplayUpdate = false;
             }
@@ -538,14 +548,22 @@ void OBP60Task(GwApi *api){
                 starttime1 = millis();
                 LOG_DEBUG(GwLog::DEBUG,"E-Ink full refresh first 5 min");
                 getdisplay().setFullWindow();    // Set full update
+                getdisplay().fillScreen(pixelcolor);// Clear display
+                getdisplay().nextPage();         // Full update
+                getdisplay().fillScreen(bgcolor);// Clear display
                 getdisplay().nextPage();         // Full update
             }
 
             // Subtask E-Ink full refresh
-            if(millis() > starttime2 + FULL_REFRESH_TIME * 1000){
+            //if(millis() > starttime2 + FULL_REFRESH_TIME * 1000){
+            if(millis() > starttime2 + 1 * 60 * 1000){
                 starttime2 = millis();
                 LOG_DEBUG(GwLog::DEBUG,"E-Ink full refresh");
                 getdisplay().setFullWindow();    // Set full update
+                getdisplay().setFullWindow();    // Set full update
+                getdisplay().fillScreen(pixelcolor);// Clear display
+                getdisplay().nextPage();         // Full update
+                getdisplay().fillScreen(bgcolor);// Clear display
                 getdisplay().nextPage();         // Full update
             }
             
diff --git a/lib/obp60task/platformio.ini b/lib/obp60task/platformio.ini
index 97235c0..1ffd63e 100644
--- a/lib/obp60task/platformio.ini
+++ b/lib/obp60task/platformio.ini
@@ -5,6 +5,7 @@
 default_envs = obp60_s3
 [env:obp60_s3]
 platform = espressif32@6.3.2
+-D board_build.f_cpu = 160000000L
 board_build.variants_dir = variants
 #board = obp60_s3_n8     #ESP32-S3 N8, 8MB flash, no PSRAM
 #board = obp60_s3_n16    #ESP32-S3 N16,16MB flash, no PSRAM, zero series